AIP Aluminum Blowback Housing - for Marui G17 GBB Airsoft

• AIP Aluminum Blowback Housing - for Marui G17 GBB Airsoft
• Machined aluminum construction
• Piston head with o-ring for greater performance and reliability, ø9x2mm and ø9.5x2mm O-Rings included to suit different conditions
• Suitable for Marui G17

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